Theoretical analysis of metallic nanohole filled with dispersive material

Shaimaa I. H. Azzam; S. S. A. Obayya; Mohamed A. Swillam

doi:10.1117/12.2052502

2 May 2014 Theoretical analysis of metallic nanohole filled with dispersive material

Shaimaa I. H. Azzam, S. S. A. Obayya, Mohamed A. Swillam

Proceedings Volume 9126, Nanophotonics V; 91263Q (2014) https://doi.org/10.1117/12.2052502
Event: SPIE Photonics Europe, 2014, Brussels, Belgium

Abstract

A theoretical analysis of nanoscale metallic hole filled with a dielectric material is presented. The dispersion characteristics of the guided modes of a dielectric-filled metallic nanohole show interesting characteristics such as negative dispersion which is not normally observed in air-filled structures. Moreover, the material dispersion, taken fully into consideration, is shown to have a significant effect on the modal dispersion of guided modes, specially, at visible range of frequencies. The analysis is carried out using a full vectorial finite element method which can accurately detect the propagation properties of the structure under investigation.

Citation Download Citation

Shaimaa I. H. Azzam, S. S. A. Obayya, and Mohamed A. Swillam "Theoretical analysis of metallic nanohole filled with dispersive material", Proc. SPIE 9126, Nanophotonics V, 91263Q (2 May 2014); https://doi.org/10.1117/12.2052502

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